Alert archive / Alabama / Mesoscale Discussions in 2004

Mesoscale Discussion 1050

June 2, 200421 counties in Alabama; 4 counties in Florida; 9 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2004, 7:41 AM CDT for 21 counties in Alabama; 4 counties in Florida; 9 counties in Mississippi. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Jun 2, 2004, 7:41 AM CDT (12:41 UTC)
Expired: Jun 2, 2004, 9:15 AM CDT
In force: 94 min
Issued by: the Storm Prediction Center

All 34 counties

Autauga County, AL, Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Hale County, AL, Lowndes County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Sumter County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Clarke County, MS, George County, MS, Greene County, MS, Harrison County, MS, Jackson County, MS, Lauderdale County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 12:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 0.7 hours before the alert went out and 164 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1184 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 937 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 12:14 PM CDT	Mesoscale Discussion	SPC	Barbour, Bullock, Coffee, Covington, Crenshaw, Dale and 7 more	91 min
Jun 2, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Alachua, Baker, Bradford, Clay, Columbia, Dixie and 10 more	5 hr
Jun 1, 10:45 PM CDT	Mesoscale Discussion	SPC	Adams, Wilkinson	60 min
Jun 2, 3:30 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Amite, Claiborne, Copiah, Covington, Forrest and 19 more	5 hr
Jun 2, 5:45 AM CDT	Mesoscale Discussion	SPC	Adams, Amite, Claiborne, Copiah, Covington, Forrest and 19 more	2 hr
Jun 2, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	Alcorn, Benton, DeSoto, Lafayette, Marshall, Panola and 6 more	5 hr

Nearby

Mesoscale Discussions in Alabama, 2004 Mesoscale Discussions in Mississippi, 2004 Mesoscale Discussions in Florida, 2004 Every mesoscale discussion in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.